https://community.sony.cz/t5/hi-fi-systems/mhc-v42d-bad-noise-at-200hz-especially-on-microphone/m-p/3768398#M3916 <P>Have you tried using the other Mic port or adjusting the Mic level as mentioned in the <A href="https://helpguide.sony.net/has/mhc-v42d/v1/en2/contents/TP0002012603.html" target="_blank">Help Guide</A>?</P> Thu, 04 Feb 2021 16:24:54 GMT Joe_Dohn 2021-02-04T16:24:54Z https://community.sony.cz/t5/hi-fi-systems/mhc-v42d-bad-noise-at-200hz-especially-on-microphone/m-p/3764949#M3895 <P>Try with different microphone its the same result, my wife voice don't have a problem. I gave the system to a Sony service and they answer that this problem is very insignificant. But for me is very big because I can't use properly karaoke function. What can I do?&nbsp;</P> Thu, 28 Jan 2021 08:13:52 GMT https://community.sony.cz/t5/hi-fi-systems/mhc-v42d-bad-noise-at-200hz-especially-on-microphone/m-p/3764949#M3895 manov_v 2021-01-28T08:13:52Z https://community.sony.cz/t5/hi-fi-systems/mhc-v42d-bad-noise-at-200hz-especially-on-microphone/m-p/3768398#M3916 <P>Have you tried using the other Mic port or adjusting the Mic level as mentioned in the <A href="https://helpguide.sony.net/has/mhc-v42d/v1/en2/contents/TP0002012603.html" target="_blank">Help Guide</A>?</P> Thu, 04 Feb 2021 16:24:54 GMT https://community.sony.cz/t5/hi-fi-systems/mhc-v42d-bad-noise-at-200hz-especially-on-microphone/m-p/3768398#M3916 Joe_Dohn 2021-02-04T16:24:54Z